Titus Lucretius Carus—Lucretius—was a Roman poet and philosopher (ca. 99 BC – ca. 55 BC). His only known work is an epic philosophical poem laying out the beliefs of Epicureanism, De rerum natura, translated into English as On the Nature of Things. Frank O. Copley was a preeminent translator of Latin. His publications include Catallus: The Complete Poetry; Plautus: Menaechmi, Mostellaria, Rudens; Vergil: The Aeneid and Lucretius's On the Nature of Things.